Making TPA Search only in a fixed area?

[Mat]

How can I make a TPA search round a Point say Point(Dx,Dy); in a box of 15 by 15?
Thanks
Mat

[bg5]

FindColorsTolerance(TPA,color , P.x-7 , P.y-7 , P.x+7 , P.y+7 , Tol);